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Alecsey [184]
3 years ago
13

An aqueous solution has a hydroxide-ion concentration of 1.0 x 10-3 M. What is the pH of the solution?

Chemistry
2 answers:
NeX [460]3 years ago
6 0

Answer:

the answer is C) 3

Explanation:

hope it helps

slava [35]3 years ago
4 0

Answer: 11

Explanation: i got a 100 on the test, good luck hope this helps :)

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barxatty [35]

<em>Same group element have same</em><em><u> Valence electron</u></em><em> and behave similarly in </em><em><u>Chemistry.</u></em>

<u>Explanation:</u>

For example. First group elements Alkali metals:- H, Li, K, Rb, Cs, Fr

Valance electron will take part in forming a bond with other elements and compound will form. All the above-given elements (H-Fr) have valence electron 1 in outer most 'S' shell. All have electronic configuration S1

Behavior: Since valence electrons are the same so the behavior of all the elements in this group is the same. All are metal (from Li-Fr, except Hydrogen), all are very reactive, does not found in native state in the environment, and all react with water.

4 0
3 years ago
After having harvested a wild turkey, what is the best and safest way to carry out of the woods?
Len [333]
Answer : Option C) wrapped in camouflage colored cloth.

Explanation : If you want a safe and best way to get out of the woods after having harvested a wild turkey to avoid getting spotted by other hunter is to cover the turkey with camouflage colored cloth.
7 0
3 years ago
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insens350 [35]
Metals nonmetals and Metalloids is the answer
7 0
2 years ago
How can you write c6h12o6 in the simplest form that illustrates the proportion of elements in monosaccharides?
VikaD [51]
The answer is
(CH2O)6
5 0
3 years ago
Read 2 more answers
A compound is made by carbon, hydrogena and nitrogen and 1 g of this compound contains 91.5 mg of hydrogen and 424 mg of nitroge
ss7ja [257]

Answer:

C₄H₃N

Explanation:

To solve this question we must find the moles of each atom in order to find the empirical formula (Simplest ratio of atoms present in a molecule). With empirical formula and the molar mass of the compound we can find the molecular formula as follows:

<em>Moles H:</em>

91.5mg H * (1mmol / 1mg) =

91.5mmol H

<em>Moles N:</em>

424mg N * (1mmol / 14mg) =

30.286mmol N

The ratio of moles regard to moles N (The lower number of moles is:

H = 91.5mmolH / 30.286mmolN = 3.0

N = 30.286mmolN / 30.286mmolN = 1

empirical formula = CₓH₃N

The molar mass of this formula is:

12*x + 1*3 + 1*14 = 17g/mol

Solving for X:

12X + 17g/mol = 65g/mol

12X = 48g/mol

X = 4

There are 4 atoms of carbon and molecular formula is:

<h3>C₄H₃N</h3>
7 0
3 years ago
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